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Q. No.Which group of fishes has a bony endoskeleton, a terminal mouth, and a swim bladder to regulate buoyancy?
1. Cartilaginous Fishes
2. Bony Fishes
3. Cyclostomata
4. Amphibia
1. Cartilaginous Fishes
2. Bony Fishes
3. Cyclostomata
4. Amphibia
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Osteichthyes |
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Level 1: 80%+
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Given below are two statements:
| Assertion (A): | Pristis will sink if it stops swimming but Catla will not. |
| Reason (R): | Pristis lacks swim bladder while Catla possesses swim bladder. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Chondrichthyes |Â Class Osteichthyes |
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Level 1: 80%+
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Match each item in Column I with one item in Column II and select the best match from the codes given:
Codes:
| Column I (Common Name) | Column II (Biological Name) | ||
| A. | Flying Fish | P. | Pterophyllum |
| B. | Sea Horse | Q. | Exocoetus |
| C. | Rohu | R. | Hippocampus |
| D. | Angel Fish | S. | Labeo |
| Options | A | B | C | D |
| 1 | Q | R | S | P |
| 2 | R | S | P | Q |
| 3 | P | Q | R | S |
| 4 | S | P | Q | R |
Subtopic: Â Comparative study of Cartilagenous & Bony Fishes |Â Class Chondrichthyes |Â Class Osteichthyes |
 95%
Level 1: 80%+
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Q. No.
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